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Dear Arno,<br><br>I changed the sampling rate (menu> tools) and the spectrum activity changed (from outside to inside brain). I was using 1000 and I reduce it to 500. In EEGlab guide, the action of changing the sampling rate is to reduce memory and to save space on the disk. Is it correct? If no, which sampling rate should I used? <br><br>Thanks for your answer.<br>Mounia<br><br>> Subject: Re: [Eeglablist] Problem with topographic map - spectrum activity outside the brain<br>> From: arno@ucsd.edu<br>> Date: Mon, 28 Feb 2011 13:41:52 -0800<br>> CC: eeglablist@sccn.ucsd.edu<br>> To: zmounia@hotmail.com<br>> <br>> Dear Mounia,<br>> <br>> it seems that you have an artifactual electrode on the back of your montage.<br>> As far as processing the raw .CNT file, you could downsampling it under Neuroscan and then import it under Matlab.<br>> Best regards,<br>> <br>> Arno<br>> <br> </body>
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